01
Scan
The instant before submission, PromptHush runs detectors over your prompt locally on-device.
Chrome extension · Local-only
Stop leaking private
data into every AI tool you use.
PromptHush scans prompts before they leave your browser - client names, API keys, tax IDs, medical notes, and contract text - then replaces sensitive details with safe placeholders.
Add to Chrome - Free 30 free scans / month, no card
01 · You typeAll scanning happens in your browser.Summarize this contract for Acme Corp. Their tax ID is 12-3456789 and the client email is sarah@northwind.com.
Works on
ChatGPT
Claude
Gemini
Perplexity
Copilot
Three steps, every time you press Enter.
Detection, redaction, audit. All local. Nothing about your prompts is sent to PromptHush servers.
02
Decide
Choose to redact, replace names with placeholders, save locally, or send with a one-tap override.
03
Audit
Every decision is logged on your machine so you can review what was blocked without exposing contents.
What it catches.
Out of the box. Add your own private terms for clients, projects, and companies you never want leaked.
Block
API keys & secretssk-ant-xxx, AIza..., ghp_...Block
Passwordspassword: hunter2Block
Tax ID / EIN12-3456789Block
Medical infodiagnosis, MRN, dosageBlock
Legal / case detailscase no., privilegedWarn
Email addressessarah@company.comWarn
Phone numbers(415) 555-0188Warn
Client / company namesAcme CorpNotice
Financial figures$2.4M ARRBefore
Summarize this contract for Acme Corp. Their tax ID is 12-3456789 and the client email is sarah@company.com.
After PromptHush
Summarize this contract for [CLIENT_NAME]. Their tax ID is [TAX_ID] and the client email is [EMAIL].
Pricing for real work.
Simple plans for people who use AI with client, company, financial, medical, or legal information.
$0 30 credits/month
Start free - Local detection
- One-click redaction
- Works on ChatGPT, Claude, Gemini, Perplexity, and Copilot
$19 2,000 credits/month
Choose plan - Custom private terms
- Local activity log
- Redaction history on this device
- Monthly credit reset
$30 10,000 credits/month
Choose plan - Everything in Personal
- Legal, finance, medical, and recruiting presets
- Exportable local audit log
- Priority detector updates